He trained for five years.
What did he do?
When did he work on it?
How did he show his skill as an engineer?
Why didn't they want foreign engineer?
I went to Los Angeles two years ago.
參考答案:第一个句子本身好象有问题哦
大概是这个
1他被训练了5年
2他做过什么？
3他什么时候着手做这个的？
4他怎么像一个工程师一样展示自己技巧的？
5为什么他们不用外国工程师
6两年前我去过落山鸡